Sodium sulfite anhydrous
Product Name: Sodium sulfite anhydrous Food/tech grade
CAS NO: 7577-83-7
Molecular Formula: Na2S2O3
H.S code: 283210 0000
Specifications:
| Items tested | Standard | Analytical result |
| Purity (AS Na2SO3) % ≥: | 97 | 97.63 |
| Water insoluble % ≤: | 0.03 | 0.013 |
| Iron (Fe)% ≤: | 0.01 | 0.0001 |
| Free alkali (Na2CO3) % ≤: | 0.6 | 0.038 |
| Sodium sulfate(Na2SO4) % ≤: | 0.1 | 0.08 |
| Chloride(AS NaCl) %≤: | 0.1 | 0.08 |
Appearance: white or yellowish crystal.
Packing: 25kg plastic woven bag, 50kg/500kg/1000kg flexible freight bag, or upon clients' demand.
Use: It used in printing and dyeing industry as deoxidizer and bleaching agent; The photosensitive industry is used as developer, and the organic industry is used as reducing agent. Textile industry is used as artificial fiber and stabilizer; It can also be used in papermaking, electronics, water treatment and other industries.
